Congratulations to Dillion and Eric J.F. Kelijssen for solving the January Puzzler the fastest. The answer is Oobloyah Valley on Canada’s Ellesmere Island. The image features four glaciers—Nukapingwa, Arklio, Perkeo, and Midget—flowing into the valley from the Krieger mountains to the north. At the end of each glacier, all of which are retreating, there are […]
Best of the Archives: Dunes of the Great Bahama Bank
A connection to deep waters to the north gives a trench near the Bahamas the shape of a tongue.
January Puzzler
Every month we offer a puzzling satellite image here on Earth Matters. The January 2014 puzzler is above. Your challenge is to use the comments section to tell us what the image shows, what part of the world we are looking at, when the image was acquired, and why the scene is interesting. How to answer. Your answer […]


